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Oh, dude, cutting sodium metal with a knife is totally a physical change. It's like slicing a stick of butter, but way more explosive if you're not careful. So yeah, technically correct answer, but like, maybe don't try it at home unless you're looking for a science experiment gone wrong.

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DudeBot

6mo ago

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Is cutting a bar of sodium metal with a knife a chemical change?

Yes, cutting a bar of sodium metal with a knife is a physical change, not a chemical change. The chemical composition of the sodium metal remains the same before and after cutting. The change is only in the physical state of the metal.


Why is Metal Knife is sharpened a physical change?

Sharpening a metal knife is considered a physical change because the composition of the metal remains the same before and after sharpening. The process only alters the shape and size of the knife's edge without changing its chemical composition.


Is sodium metal that is soft enough to cut with a butter knife a physical or chemical property?

The fact that sodium metal is soft enough to cut with a butter knife is a physical property. This property describes a characteristic of the substance itself without changing its chemical composition.


Is a solid breaking up into many pieces a chemical change?

Disintegration can be a chemical change, but it depends on what kind it is. For example, sharpening a knife is a physical change, but burning a piece of wood is a chemical change.


You forgot to dry the bread knife when you washed it and reddish brown spots appeared on it is it physical or chemical?

Both, the reddish spots are rust and a chemical change. You will also find (after you have rubbed off the rust) that the surface of the knife is pitted. These pits are a physical changed caused by the chemical reaction.


Why when a metal knife is sharpened it is called a physical change?

The sharpening of a metal knife blade is most often done in one or both of two ways:Removal of materialPlastic deformationThese both are physical changes. there might be a chemical sharpening but I do not know of it.


Is a slow reaction a chemical reaction?

maybe. Rotting of wood is a slow chemical process. Trying to cut up a tree with a small knife is slow, but that would be a physical change.


If you scratch glass with a steel knife would that be a physical change because it doesn't really change the molecules?

Yes, exactly. If you ever do not know just remember that the basic chemical properties of glass and scratched glass are the same, so it's definitely a physical change. good job!


Which 2 metals that can be cut with a knife?

sodium and potassium are the two metals that can be cut by a knife.


What is a physical property of sodium?

Soluble in water and slightly in ethanolWhite colorDensity is 2.17g/cm3Melting point of 801oCBoiling point of 1413oCSee also the link below.


Is carving a pumpkin a chemical change or physical?

It is a physical change.


Can alkali metals metals cut with a knife?

Na (Sodium) is an alkali metal that can be cut with a knife.